164 lines
5.2 KiB
CMake
164 lines
5.2 KiB
CMake
# CMakeLists
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#
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# MIT License
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#
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# Copyright (c) 2021, 2024 Matt Evans
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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#
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cmake_minimum_required(VERSION 3.13)
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# Options that should be defined when initialising the build
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# directory with cmake, e.g. "cmake .. -DOPTION=true":
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#
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# Note: to build for pico2 / rp2350: cmake .. -DPICO_BOARD=pico2
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option(USE_SD "Build in SD support" OFF)
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set(SD_TX 3 CACHE STRING "SD SPI TX pin")
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set(SD_RX 4 CACHE STRING "SD SPI RX pin")
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set(SD_SCK 2 CACHE STRING "SD SPI SCK pin")
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set(SD_CS 5 CACHE STRING "SD SPI CS pin")
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set(SD_MHZ 5 CACHE STRING "SD SPI speed in MHz")
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option(USE_HSTX "Use HSTX digital video (only for rp2350 / pico2)" OFF)
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option(USE_VGA_RES "Video uses VGA (640x480) resolution" OFF)
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option(USE_720P_RES "Video uses 720p (1280x720) resolution (HSTX only)" OFF)
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set(VIDEO_PIN 18 CACHE STRING "VGA Video GPIO base pin (followed by VS, CLK, HS)")
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set(HSTX_CKP 12 CACHE STRING "HSTX CK+ PIN")
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set(HSTX_D0P 14 CACHE STRING "HSTX D0+ PIN")
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set(HSTX_D1P 16 CACHE STRING "HSTX D1+ PIN")
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set(HSTX_D2P 18 CACHE STRING "HSTX D2+ PIN")
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# See below, -DMEMSIZE=<size in KB> will configure umac's memory size,
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# overriding defaults.
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# initialize the SDK based on PICO_SDK_PATH
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# note: this must happen before project()
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include(pico_sdk_import.cmake)
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project(firmware)
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# initialize the Raspberry Pi Pico SDK
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pico_sdk_init()
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# For TUSB host stuff:
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set(FAMILY rp2040)
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set(BOARD raspberry_pi_pico)
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set(TINYUSB_PATH ${PICO_SDK_PATH}/lib/tinyusb)
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# umac subproject (and Musashi sub-subproject)
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set(UMAC_PATH ${CMAKE_CURRENT_SOURCE_DIR}/external/umac)
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set(UMAC_MUSASHI_PATH ${UMAC_PATH}/external/Musashi)
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set(UMAC_INCLUDE_PATHS ${UMAC_PATH}/include ${UMAC_MUSASHI_PATH})
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# This isn't very nice, but hey it's Sunday :p
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set(UMAC_SOURCES
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${UMAC_PATH}/src/disc.c
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${UMAC_PATH}/src/main.c
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${UMAC_PATH}/src/rom.c
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${UMAC_PATH}/src/scc.c
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${UMAC_PATH}/src/via.c
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${UMAC_MUSASHI_PATH}/m68kcpu.c
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${UMAC_MUSASHI_PATH}/m68kdasm.c
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${UMAC_MUSASHI_PATH}/m68kops.c
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${UMAC_MUSASHI_PATH}/softfloat/softfloat.c
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)
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set(MEMSIZE 128 CACHE STRING "Memory size, in KB")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -DPICO -DMUSASHI_CNF=\\\"../include/m68kconf.h\\\" -DUMAC_MEMSIZE=${MEMSIZE}")
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if (USE_SD)
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add_compile_definitions(USE_SD=1)
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set(FF_DISABLE_RTC ${PICO_RP2350}) # RP2350 doesn't have RTC, so disable it
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add_subdirectory(external/no-OS-FatFS-SD-SPI-RPi-Pico/FatFs_SPI build)
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set(EXTRA_SD_SRC src/sd_hw_config.c)
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set(EXTRA_SD_LIB FatFs_SPI)
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add_compile_definitions(SD_TX=${SD_TX} SD_RX=${SD_RX} SD_SCK=${SD_SCK} SD_CS=${SD_CS} SD_MHZ=${SD_MHZ})
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endif()
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if (USE_VGA_RES)
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add_compile_definitions(USE_VGA_RES=1)
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add_compile_definitions(DISP_WIDTH=640)
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add_compile_definitions(DISP_HEIGHT=480)
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else()
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add_compile_definitions(DISP_WIDTH=512)
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add_compile_definitions(DISP_HEIGHT=342)
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endif()
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if (USE_HSTX)
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add_compile_definitions(HSTX_CKP=${HSTX_CKP} HSTX_D0P=${HSTX_D0P} HSTX_D1P=${HSTX_D1P} HSTX_D2P=${HSTX_D2P})
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set(VIDEO_SRC src/video_hstx.c)
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else()
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add_compile_definitions(GPIO_VID_BASE=${VIDEO_PIN})
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set(VIDEO_SRC src/video_vga.c)
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endif()
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if (TARGET tinyusb_device)
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add_executable(firmware
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src/main.c
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${VIDEO_SRC}
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src/kbd.c
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src/hid.c
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${EXTRA_SD_SRC}
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${UMAC_SOURCES}
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)
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# The umac sources need to prepare Musashi (some sources are generated):
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add_custom_command(OUTPUT ${UMAC_MUSASHI_PATH}/m68kops.c
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COMMAND echo "*** Preparing umac source ***"
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COMMAND make -C ${UMAC_PATH} prepare
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)
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add_custom_target(prepare_umac
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DEPENDS ${UMAC_MUSASHI_PATH}/m68kops.c
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)
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add_dependencies(firmware prepare_umac)
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target_link_libraries(firmware
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pico_stdlib
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pico_multicore
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tinyusb_host
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tinyusb_board
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hardware_dma
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hardware_pio
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hardware_sync
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${EXTRA_SD_LIB}
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)
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target_include_directories(firmware PRIVATE
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${CMAKE_CURRENT_LIST_DIR}/include
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${TINYUSB_PATH}/hw
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${TINYUSB_PATH}/src
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${UMAC_INCLUDE_PATHS}
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incbin
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)
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pico_generate_pio_header(firmware ${CMAKE_CURRENT_LIST_DIR}/src/pio_video.pio)
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pico_enable_stdio_uart(firmware 1)
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# Needed for UF2:
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pico_add_extra_outputs(firmware)
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elseif(PICO_ON_DEVICE)
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message(WARNING "not building firmware because TinyUSB submodule is not initialized in the SDK")
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endif()
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